google_sign_in 7.2.0
SDKflutter
Platformandroidiosmacosweb
Flutter plugin for Google Sign-In, a secure authentication system for signing in with a Google account.
transparentImage.gif is a 1x1 transparent gif which comes from this wikimedia page:
This is the image used a placeholder for the GoogleCircleAvatar widget.
The variable _transparentImage in lib/widgets.dart is the list of bytes of transparentImage.gif.